I’m pretty sure it’s hydrogen if I’m wrong I’m really sorry
Answer:proteins
Explanation:
Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids.
Answer:
It is the scientific method of investigation problem-solving used by disease detectives like epidemiologists, laboratory scientists, statisticians, physicians and other health care providers, and public health professionals, to get to the root of health problems and outbreaks in a community.
Explanation:
D. fossils will help you discover how old the rock is, fossils would not be included in the question if the answer does not relate to them